In 1958 a group of scientists working in Denmark made the striking observation that bacterial cells are about twice as large when they are cultured on a rich nutrient source than when they are ...

Dynamin is a protein that plays a central role in endocytosis—the process where cells internalize substances by wrapping them in cell membrane vesicles. For a vesicle to detach, the neck of the ...

Bacteria adjust to wide fluctuations in food supply by controlling how big they get and how often they divide. Scientists have just worked out the control system E. coli use to delay division so they ...